Kiri Live Activities are used for active timers so you can keep an eye on them without reopening the app over and over.
What you may see
An active single timer such as sleep or another supported timer.
A dual timer view for left and right nursing-style timing.
Live elapsed time while the timer is running.
Why it helps
Live Activities are useful when you are mid-routine and only need a fast glance. They keep timer progress visible on supported iPhone surfaces so you do not have to bounce in and out of the app.